Refuse container base



FIG. 1 is a top left front perspective view of a refuse container base, showing our new design;

FIG. 2 is a right side elevational view thereof; the left side elevational view being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a refuse container base, as shown and described. 